#!/bin/bash
function s1_goto_dir(){
	cd "$1";
}
function s2_touch_empty_file_with_given_name(){
	touch "$1";
}
function s3_make_directories(){
	mkdir -p ./projects/{git,backup};
}
function s4_create_6_files(){
	touch ./project/linux{1,2}_{centos,redhat,c_programming};
}
function s5_makde_directories_in_git(){
	mkdir -p ./projects/git/{linux1,linux2};
}
function s6_move_files_to_dir_1_or_2(){
	mv ./projects/linux1_* ./projects/git/linux1 mv ./projects/linux2_* ./projects/git/linux2;
}
function s7_create_package_and_compress(){
	tar -czvf ./projects/backup/git.tar.gz ./projects/git;
}
function s8_delete_dir_git(){
	rm -rf ./projects/git;
}
function s9_recover_from_git_tar_gz_backup(){
	tar -zxvf ./projects/backup/git.tar.gz ./porjects;
}
function s10_careate_package_and_compress(){
	tar -jcvf ./projects/backup/git.tar.bz2 ./projects/git;
}
function s11_find_and_sort_alphabetically_add_created_files_and_dirs(){
	find ./projects | sort;
}
function s12_get_next_15_minutes_boudary(){
	data +%Y-%m-%d_%H:%M:%S-d @$((($(date +$s)/900+1)*900))
}
